/* ================================================================================
//	Crypteviant!
//	Providing tough encrypted P2P Chat
//	Copyright (C) 2010  Martin Pfeifer, Tobias Rausch
//
//	This program is free software: you can redistribute it and/or modify
//	it under the terms of the GNU General Public License as published by
//	the Free Software Foundation, either version 3 of the License, or
//	(at your option) any later version.
//
//	This program is distributed in the hope that it will be useful,
//	but WITHOUT ANY WARRANTY; without even the implied warranty of
//	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//	GNU General Public License for more details.
//
//	You should have received a copy of the GNU General Public License
//	along with this program.  If not, see <http://www.gnu.org/licenses/>.
// ============================================================================== */

#include "highrestimerwin.hpp"


// Namespaces
using namespace Timer;

HighResTimerWin::HighResTimerWin()
{
}


bool HighResTimerWin::isAvailable()
{
    LARGE_INTEGER frequency;

    // Check if the High Performance Counter is available
    return QueryPerformanceFrequency(&frequency);
}


unsigned long HighResTimerWin::getCurrentTime()
{
    // Check if Counter is available
    if (!isAvailable())
    {
	return 0UL;
    }

    LARGE_INTEGER counter;

    // Query the High Performance Counter
    if (!QueryPerformanceCounter(&counter))
    {
	return 0UL;
    }

    return counter.LowPart;
}
